SNO

Expert in High-End Damper Solutions

SNO Xunda Rapid Response Center — Offering Full-Range Control Valve Repair, Operation & Maintenance Services

SNO Xunda Rapid Response Center — Provides integrated services for pneumatic & hydraulic accessories and electric actuators

SNO delivers professional maintenance services for industrial control products. We offer factory-grade repair services for valve positioners, electric actuators, various motors, drives and other related equipment.

SNO manufactures cost-effective triple offset butterfly valves, double offset butterfly valves and concentric butterfly valves, and distributes a full range of domestic and imported control valves.

Core BusinessesCORE BUSINESS

01

Full-Range Petrochemical Damper Solutions

Single-blade, multi-blade butterfly valves and rectangular multi-blade dampers
02

Control Valve Sales & Technical Service

Manufacturing double offset, triple offset and concentric butterfly valves with selection and technical support
03

Control Valve MRO

Online/offline MRO, spare localization & lifecycle support
04

Accessory Integration Service

Integrated pneumatic & hydraulic accessories and electric actuator installation & commissioning
05

Industrial Control Repair

Factory-grade repair services for positioners, electric actuators, motors, drives and more

Featured ProductsPRODUCTS

Ventilation Butterfly Valve

Spec range DN50-DN5000, pressure ≤0.1Mpa

Leak1.5%-3%DNDN50-DN5000

Inlet Vane Control Damper

Spec range DN300-DN3000, suitable for fan inlet ducts

Leak3%DNDN300-DN3000

Rectangle Louver Damper

Multiple blades, low noise, light weight, low torque

Leak普通型≤3% 低泄漏型≤1%DN100*100-3000*3000

Circle Louver Damper

Multiple blades, low noise, light weight, low torque

Leak普通型≤3% 低泄漏型≤1%DNDN200-DN3000

Four-link Drive Damper

Zero leakage damper solution

Leak0%DNDN300-DN2000

High Temperature Damper

Suitable for RTO, high-temperature chimneys

Leak3%DNDN150-DN1500

Three-way Diverter Valve

Suitable for three-way diverter and distribution ducts

Leak0%-3%DNDN150-DN2000

Triple Offset Butterfly Valve

SNO manufactures cost-effective triple offset butterfly valves
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ServicesSERVICES

Control Valve Repair & O&M Service

SNO Xunda Rapid Response Center, offering full-range control valve repair, operation and maintenance services

Learn more →

Accessory Integration Service

Providing integrated pneumatic & hydraulic accessories and electric actuator installation & commissioning

Learn more →

Industrial Control Repair Service

Factory-grade repair services for positioners, electric actuators, motors, drives and more

Learn more →

On-site After-sales Service

On-site within 6 hours / 300km, providing professional on-site after-sales service

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6S Service PromiseOUR PROMISE

安

Safety

Strict production & MRO safety measures, ensuring zero accident rate

专

Professional

Team with 15+ years of fluid control industry experience

风

Full-Range Damper Solutions

Single-blade, multi-blade butterfly valves and rectangular multi-blade dampers

心

Caring

Providing customers with caring and satisfactory services

特

Special Valve Service

Providing technical services for special valve maintenance

销

Sales & Customization

Providing professional selection and sales support

News & UpdatesNEWS

FORCE&TORQUE Named Jiangsu SME

Our std pneumatic actuator brand FORCE&TORQUE was named Jiangsu SME in 2023, 270 staff, RMB 350M annual output.

2026-07-20

Piping Integration Customer Satisfaction Exceeds 95%

Piping integration satisfaction >95%; once completed 200-ball-valve urgent piping in 3 days.

2026-07-17

SNO Supplied Dampers for Global Energy Projects

SNO supplied multi-blade dampers for Iraq, Saudi, Huajin, Gulei energy projects, exported overseas.

2026-07-10

Xunda Promises On-site Within 6h / 300km

Xunda promises on-site within 6 hours within 300km, 7×24 hotline.

2026-06-30

FORCE&TORQUE Passed SIL3, ATEX Certifications

FORCE&TORQUE obtained TUV SIL3, ATEX, DNV, CE, PED, IP68, EAC certifications.

2026-06-20
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